353663748545 has 16 divisors (see below), whose sum is σ = 427292236800. Its totient is φ = 281000929344.

The previous prime is 353663748541. The next prime is 353663748551. The reversal of 353663748545 is 545847366353.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 353663748545 - 2² = 353663748541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (353663748541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8567024 + ... + 8608206.

It is an arithmetic number, because the mean of its divisors is an integer number (26705764800).

Almost surely, 2^353663748545 is an apocalyptic number.

It is an amenable number.

353663748545 is a deficient number, since it is larger than the sum of its proper divisors (73628488255).

353663748545 is a wasteful number, since it uses less digits than its factorization.

353663748545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52864.

The product of its digits is 108864000, while the sum is 59.

The spelling of 353663748545 in words is "three hundred fifty-three billion, six hundred sixty-three million, seven hundred forty-eight thousand, five hundred forty-five".